You may see man powered cars in a town in your area shortly

Vehicles within the classic cartoon "The Flintstones" were all foot powered. The mechanism that propels the bicycle hasn't really been improved on since it was invented. That is, until now. A design firm out of Oregon has come up with a car that can sustain speeds of about 30 mph, with electric assistance. It doesn't use any gas. It can whip you into shape too.

Meet the HumanCar